There is a door plate inside every Boss 429 Mustang that tells you, in plain language, exactly why the car exists. It carries a KK number – the Kar Kraft production designation – and a NASCAR identification stamp that essentially reads: this car was built to go racing. No other...

Twelve people have gone over 400mph in a piston-powered car. I'm the most recent one. The twelfth man. I'm exceptionally proud of that, because after five years of hard work, I finally understand what it takes to get on that list. I'll summarize. Fast is hard. Really fast is really...

I just got back from Speed Week in Bonneville, so I thought I'd take a break from talking about the changes we've made to the car and elaborate a little bit on how the Challenger II project got started back in 1968. The catalyst, believe it or not, was a...